Portable crank radio



FIG. 1 is a front perspective view of an ornamental design for a portable crank radio according to the present invention in which the crank is in a closed position;

FIG. 2 is a front perspective view thereof in which the crank is in an open position;

FIG. 3 is a front view thereof in which the crank is in the closed position;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof. 

The ornamental design for a portable crank radio, as shown and described. 